Seeeduino XIAO SAMD21 USB-HID: Build a Macro Numpad
Build a Seeeduino XIAO SAMD21 USB-HID macro numpad with a 4x4 keypad, then type shortcuts and text snippets reliably over USB with...
Arduino 4-Channel Relay Module: Reverse a DC Motor
Build a high-current Arduino DC motor reverser using a 4-channel relay module with safe interlock wiring, ideal for actuators, doors, and pumps...
STM32H723ZGT6 STM32duino: Install and benchmark
Set up the STM32H723ZGT6 in Arduino IDE using STM32duino, run a blink test, and benchmark a fast float loop for real-time performance.
Arduino Nano MQ-2: Build a Gas Leak Alarm
Build an Arduino Nano MQ-2 gas and smoke alarm with a buzzer threshold alert, plus optional OLED readout and ESP32 WiFi notifications...
ESP8266 AC 220V Time Delay Relay: WiFi Trigger
Build an AC 220V time delay relay mains timer with optional ESP8266 WiFi triggering for fans, pumps, and lights using parts from...
Arduino UNO Joystick Shield: USB Gamepad or nRF24 TX
Build an Arduino UNO Joystick Shield V1.A controller that reads every input, then works as a USB gamepad or nRF24L01 wireless transmitter...
Arduino Nano Ultrasonic Mist Maker: DIY Diffuser Control
Build an Arduino Nano USB ultrasonic mist maker diffuser with relay control, WS2812B lighting, and a soil sensor option for a smart...
ESP32 LD2410 vs RCWL-0516: Pick the best sensor
Compare ESP32 wiring and real-world behavior for LD2410 mmWave presence radar vs RCWL-0516 Doppler motion, so you choose the right sensor with...
Arduino Nano Soil Moisture Sensors: Pick Capacitive
Compare Arduino Nano resistive vs capacitive soil moisture sensors to get stable long-term readings, avoid corrosion drift, and choose the right probe...
Arduino MAX30102 vs MAX30100: Choose the best sensor
Compare MAX30100 vs MAX30102 pulse oximeter modules for Arduino wearables, focusing on ADC, FIFO, and libraries so you choose confidently with ShillehTek.
ESP32-S3 vs ESP32-C3 vs ESP32-C6: Differences and Which One to Buy
Compare ESP32-S3, ESP32-C3, and ESP32-C6 to choose the right board for BLE sensors, WiFi 6 battery nodes, or Zigbee/Thread smart-home projects with...
Arduino TM1637, SSD1306, E-Paper: Pick a Display
Compare TM1637, SSD1306 OLED, and 2.13-inch e-paper to pick the right Arduino display based on power, refresh rate, readability, and code complexity...